靓果安防治脐橙溃疡病田间药效试验

Field Efficacy of Liangguoan on Citrus Canker in Gannan Navel Orange

在赣州市经济开发区脐橙园进行了靓果安防治溃疡病的药效试验。试验结果表明,2.6%靓果安AS单剂使用100～800倍液对赣南脐橙溃疡病防治有一定的效果,其防效分别为:300倍液处理防效为78.30%,500倍液处理防效为70.37%,800倍液处理防效为63.29%。所有处理对脐橙枝梢、叶片及幼果安全,对有益昆虫、微生物未发现副作用,对环境也未发现严重污染。因此,建议在赣南脐橙产区加大推广与应用靓果安AS单剂以有效防治溃疡病的危害。

The efficacy of the Liangguoan,a Chinese herb preparation,on citrus canker in Gannan navel orange was studied in the city of Ganzhou Economic Development Zone.The results showed that 2.6% Liangguoan AS 100800 fold had certain effects on the disease.The treatment with 300fold, 500fold and 800fold concentration of Liangguoan produced the controlled effect by 78.30% 70.37% and 63.29%.respectively Liangguoan AS was safe to shoots,leaves and fruits of navel orange in all treatments.It had no side effect on beneficial insects,microorganisms,and serious pollution on the environment.Therefore,Liang Guoan AS could be further promoted and applied to control citrus canker of navel orange effectively in Gannan district.